12900250 has 32 divisors (see below), whose sum is σ = 26350272. Its totient is φ = 4690000.

The previous prime is 12900227. The next prime is 12900289. The reversal of 12900250 is 5200921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (823446).

Almost surely, 2^12900250 is an apocalyptic number.

12900250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12900250 is an abundant number, since it is smaller than the sum of its proper divisors (13450022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12900250 is a wasteful number, since it uses less digits than its factorization.

12900250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12900250 is about 3591.6918019229. The cubic root of 12900250 is about 234.5305249232.

The spelling of 12900250 in words is "twelve million, nine hundred thousand, two hundred fifty".